author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 27 Apr 2010 17:34:42 +0300 | |
branch | RCL_3 |
changeset 17 | 3ac8bf5c5014 |
parent 11 | 46927d61fef3 |
child 22 | 7c5dd702d6d3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Interthread synchronization object |
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* |
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*/ |
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#include <e32debug.h> |
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#include <coemain.h> |
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#include "alfstreamerbridge.h" |
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#include "alfstreamerserver.h" |
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#include "alfbridge.h" |
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#include "alflogger.h" |
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#ifdef ALF_DEBUG_TRACK_DRAWING |
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#include "alfcommanddebug.h" |
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#endif |
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// From MMP macro nowadays |
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//#define ALF_DRAW_FRAME_BEFORE_END_CALLBACK |
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// --------------------------------------------------------------------------- |
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// constructor |
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// |
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// --------------------------------------------------------------------------- |
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// |
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// The priority is EActivePriorityWsEvents+1 instead of CActive::EPriorityHigh to prevent a deadlock |
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// when AlfredServerThread calling iWsSession.GetEvent(event); from inside CCoeEnv::RunL() while |
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// wserv was waiting inside CWindowServer::CDefaultAnimationScheduler::DoRedrawNow for Alf to |
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// complete the TRequestStatus passed to CAlfRenderStage::End. |
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CAlfStreamerBridge::CAlfStreamerBridge(MAlfStreamerListener* aObserver):CActive(EActivePriorityWsEvents+1),iObserver(aObserver), iBatchObserver(0), iThread(RThread().Id()) |
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{ |
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CActiveScheduler::Add(this); |
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iStatus = KRequestPending; |
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SetActive(); |
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TInt err = iQueueSema.CreateLocal(); |
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if (err) |
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{ |
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// Device startup ends here. |
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__ALFLOGSTRING("Stop the music, we are running without synchronization"); |
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User::Panic(_L("UI Accelerator"), 1); |
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} |
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} |
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// --------------------------------------------------------------------------- |
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// NewL |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CAlfStreamerBridge* CAlfStreamerBridge::NewL( MAlfStreamerListener* aObserver ) |
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{ |
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CAlfStreamerBridge* self = new(ELeave)CAlfStreamerBridge( aObserver ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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// --------------------------------------------------------------------------- |
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// ConstructL |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CAlfStreamerBridge::ConstructL() |
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{ |
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iDataBuf.Create( KInitialVariableBufferSize ); |
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iDataBuf.SetLength(0); |
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iStreamerServer = NULL; |
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#ifdef ALF_DEBUG_TRACK_DRAWING |
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iCommandDebugger = CAlfCommandDebug::NewL(); |
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#endif |
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} |
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// --------------------------------------------------------------------------- |
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// destructor |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CAlfStreamerBridge::~CAlfStreamerBridge() |
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{ |
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iDataBuf.Close(); |
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iQueueSema.Close(); |
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#ifdef ALF_DEBUG_TRACK_DRAWING |
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delete iCommandDebugger; |
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#endif |
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} |
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// --------------------------------------------------------------------------- |
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// SetBatchObserver |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CAlfStreamerBridge::SetBatchObserver(MAlfBatchObs* aBatchObserver) |
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{ |
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iBatchObserver = aBatchObserver; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Activate |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CAlfStreamerBridge::Activate() |
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{ |
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iStatus = KRequestPending; |
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SetActive(); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Trigger |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TInt CAlfStreamerBridge::Trigger(TInt aStatus) |
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{ |
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TInt err = KErrNone; |
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if (!iVarDataAddedButNotPosted) |
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{ |
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iQueueSema.Wait(); |
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} |
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iVarDataAddedButNotPosted = EFalse; // after this point, data may just be lost if posting fails |
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__ALFLOGSTRING2("CAlfStreamerBridge::Trigger status %d, own request status %d", aStatus, iStatus.Int() ); |
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if (IsActive() && iStatus == KRequestPending) |
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{ |
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RThread t; |
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TInt err = t.Open(iThread); |
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if (err) |
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{ |
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__ALFLOGSTRING1( "CAlfStreamerBridge::Trigger() ignore RThread::Open() error: %d", err ); |
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} |
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TRequestStatus* status = &iStatus; |
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__ALFLOGSTRING("CAlfStreamerBridge::Trigger - completing CAlfStreamerBridge"); |
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t.RequestComplete(status, aStatus); |
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t.Close(); |
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} |
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else |
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{ |
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#ifdef _DEBUG |
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if ( IsActive() ) |
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{ |
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__ALFLOGSTRING("CAlfStreamerBridge::Trigger - already active"); |
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} |
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__ALFLOGSTRING("CAlfStreamerBridge::Trigger - appending data"); |
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#endif |
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err = iQueue.Append(aStatus); |
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} |
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|
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iQueueSema.Signal(); |
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__ALFLOGSTRING1("CAlfStreamerBridge::Trigger request status %d", iStatus.Int() ); |
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return err; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// AddData |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TInt CAlfStreamerBridge::AddData( TAlfDecoderServerBindings aOp,TInt aI1,TInt aI2 ,TAny* aPtr ) |
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{ |
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TInt err = KErrNotFound; |
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{ |
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#ifdef ALF_DEBUG_TRACK_DRAWING |
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iCommandDebugger->SetDescription( aOp, R_ALF_BRIDGE_COMMAND_DESCRIPTION_ARRAY ); |
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__ALFLOGSTRING2("CAlfStreamerBridge::AddData op %S, iQueue.Length = %d", &iCommandDebugger->Text(), iQueue.Count()); |
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#else |
0
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__ALFLOGSTRING2("CAlfStreamerBridge::AddData op %d, iQueue.Length = %d", aOp, iQueue.Count()); |
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#endif |
0
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err = KErrNone; |
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for(TInt i = 0; i < iMessages.Count(); i++ ) |
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{ |
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if (iMessages[i].IsEmpty()) |
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{ |
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iMessages[i].Set(aOp,aI1,aI2,aPtr); |
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err = Trigger(i); |
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return err; |
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} |
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} |
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|
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// No existing (empty) cell was available for recycling, add new cell to array |
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TAlfBridgerData data; |
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data.Set(aOp,aI1,aI2,aPtr); |
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err = iMessages.Append(data); |
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} |
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if (!err) |
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{ |
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err = Trigger(iMessages.Count()-1); |
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} |
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else |
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{ |
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iQueueSema.Signal(); |
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} |
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return err; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// GetData |
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// |
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// Note, that this method frees the message entry for reuse. |
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// --------------------------------------------------------------------------- |
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// |
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TAlfBridgerData CAlfStreamerBridge::GetData(TInt aIndex) |
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{ |
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TAlfBridgerData data; |
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ASSERT(aIndex <= iMessages.Count()-1); |
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data = iMessages[aIndex]; |
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return data; |
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} |
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EXPORT_C TUid CAlfStreamerBridge::FindAppUidForWgId(TInt /*aWgId*/) |
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{ |
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__ASSERT_DEBUG(EFalse, User::Leave(KErrNotSupported)); |
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return KNullUid; |
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} |
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|
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EXPORT_C TInt CAlfStreamerBridge::FindWgForAppUid(TUid /*aAppUid*/) |
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{ |
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__ASSERT_DEBUG(EFalse, User::Leave(KErrNotSupported)); |
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return 0; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// RunL |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CAlfStreamerBridge::RunL() |
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{ |
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TInt operation = iMessages[iStatus.Int()].iOp; |
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|
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#ifdef ALF_DEBUG_TRACK_DRAWING |
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iCommandDebugger->SetDescription( operation, R_ALF_BRIDGE_COMMAND_DESCRIPTION_ARRAY ); |
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__ALFLOGSTRING1("CAlfStreamerBridge::RunL: First op %S", &iCommandDebugger->Text() ); |
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#else |
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__ALFLOGSTRING1("CAlfStreamerBridge::RunL: First op %d", operation); |
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#endif |
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switch ( operation ) |
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{ |
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case EAlfRequestCommitBatch: |
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#ifdef ALF_DRAW_FRAME_BEFORE_END_CALLBACK |
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{ |
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CAlfBridge* bridge = dynamic_cast<CAlfBridge*>(iObserver); |
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if (bridge) |
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{ |
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bridge->RefreshNow(iMessages[iStatus.Int()].iInt2); |
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} |
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} // fall through |
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#endif |
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case EAlfRequestCommandReadNotification: |
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case EAlfReleaseTemporaryChunk: |
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{ |
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if (iBatchObserver) |
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{ |
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iBatchObserver->BridgerCallback( operation, iMessages[iStatus.Int()].iInt1 ); |
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} |
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iMessages[iStatus.Int()].ResetEntry(); |
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break; |
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} |
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default: |
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{ |
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// Handle command |
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__ALFLOGSTRING("CAlfStreamerBridge:: calling observer callback"); |
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__ASSERT_ALWAYS(iObserver, User::Invariant()); |
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iObserver->HandleCallback(iStatus.Int()); |
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|
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// For "getters" also call back to Alf decoder thread |
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if ((operation > EAlfDSGetCommandsStart) && (operation < EAlfDSGetCommandsEnd)) |
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{ |
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if (iBatchObserver) |
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{ |
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iBatchObserver->BridgerCallback( operation, iMessages[iStatus.Int()].iInt1 ); |
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} |
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} |
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|
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iMessages[iStatus.Int()].ResetEntry(); // mark the cell free |
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} |
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} |
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|
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// Todo: is this kind of burst mode ok, it should be.. |
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iQueueSema.Wait(); |
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while (iQueue.Count()) |
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{ |
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TInt operation2 = iMessages[iQueue[0]].iOp; |
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#ifdef ALF_DEBUG_TRACK_DRAWING |
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iCommandDebugger->SetDescription( operation2, R_ALF_BRIDGE_COMMAND_DESCRIPTION_ARRAY ); |
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__ALFLOGSTRING1("CAlfStreamerBridge:: Queue op %S", &iCommandDebugger->Text() ); |
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#else |
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__ALFLOGSTRING1("CAlfStreamerBridge:: Queue op %d", operation2 ); |
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#endif |
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switch ( operation2 ) |
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{ |
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case EAlfRequestCommitBatch: |
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#ifdef ALF_DRAW_FRAME_BEFORE_END_CALLBACK |
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{ |
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CAlfBridge* bridge = dynamic_cast<CAlfBridge*>(iObserver); |
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if (bridge) |
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{ |
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bridge->RefreshNow(iMessages[iQueue[0]].iInt2); |
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} |
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} // fall through |
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#endif |
0
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case EAlfRequestCommandReadNotification: |
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case EAlfReleaseTemporaryChunk: |
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319 |
{ |
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if (iBatchObserver) |
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321 |
{ |
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__ALFLOGSTRING("CAlfStreamerBridge:: calling BATCH observer callback"); |
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iBatchObserver->BridgerCallback( operation2, iMessages[iQueue[0]].iInt1 ); |
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} |
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iMessages[iQueue[0]].ResetEntry(); |
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break; |
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327 |
} |
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328 |
default: |
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329 |
{ |
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330 |
// Handle command |
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__ALFLOGSTRING("CAlfStreamerBridge:: calling observer callback"); |
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__ASSERT_ALWAYS(iObserver, User::Invariant()); |
0
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iObserver->HandleCallback(iQueue[0]); |
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334 |
|
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// For "getters" also call back to Alf decoder thread |
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if ((operation2 > EAlfDSGetCommandsStart) && (operation2 < EAlfDSGetCommandsEnd)) |
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337 |
{ |
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338 |
if (iBatchObserver) |
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339 |
{ |
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iBatchObserver->BridgerCallback( operation2, iMessages[iQueue[0]].iInt1 ); |
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341 |
} |
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342 |
} |
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iMessages[iQueue[0]].ResetEntry(); // mark the cell free |
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344 |
} |
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345 |
} |
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346 |
iQueue.Remove(0); |
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347 |
} |
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348 |
if ( !iItemsInBuffer ) |
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349 |
{ |
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350 |
iDataBuf.SetLength(0); |
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351 |
} |
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|
352 |
|
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353 |
__ALFLOGSTRING1("CAlfStreamerBridge::RunL - activating", iItemsInBuffer); |
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354 |
Activate(); |
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355 |
iQueueSema.Signal(); |
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|
356 |
__ALFLOGSTRING1("CAlfStreamerBridge::RunL - really really ending", iItemsInBuffer); |
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357 |
} |
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|
358 |
|
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359 |
// --------------------------------------------------------------------------- |
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360 |
// DoCancel |
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361 |
// |
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362 |
// --------------------------------------------------------------------------- |
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363 |
// |
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364 |
void CAlfStreamerBridge::DoCancel() |
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365 |
{ |
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366 |
if (iBatchObserver) |
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367 |
{ |
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368 |
iBatchObserver->BridgerCanceled(); |
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369 |
} |
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370 |
} |
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|
371 |
|
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372 |
// --------------------------------------------------------------------------- |
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373 |
// StartNewBlock |
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374 |
// |
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375 |
// --------------------------------------------------------------------------- |
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376 |
// |
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377 |
void CAlfStreamerBridge::StartNewBlock(TBool aCompositionModified) |
0
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378 |
{ |
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|
379 |
// Queue marker. Basically we could use one new member to assert that there can |
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|
380 |
// be only one marker |
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381 |
//__ALFLOGSTRING1("CAlfStreamerBridge:: Request command read notification, swap active: %d", iSwapActive ); |
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|
382 |
AddData(EAlfRequestCommitBatch,0,aCompositionModified,0); |
0
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|
383 |
} |
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|
384 |
|
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|
385 |
// --------------------------------------------------------------------------- |
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|
386 |
// RequestCommandReadNotification |
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|
387 |
// |
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|
388 |
// --------------------------------------------------------------------------- |
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|
389 |
// |
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|
390 |
void CAlfStreamerBridge::RequestCommandReadNotification( TInt aLastReadOffset, TAlfDecoderServerBindings aCommand ) |
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|
391 |
{ |
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|
392 |
AddData( aCommand, aLastReadOffset, 0, 0); |
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Revision: 201003
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|
393 |
} |
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Revision: 201003
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|
394 |
|
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|
395 |
// --------------------------------------------------------------------------- |
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Revision: 201003
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|
396 |
// AppendVarDataL |
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|
397 |
// |
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Revision: 201003
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|
398 |
// Note, that memory allocation is done only if current buffer is not large enough |
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Revision: 201003
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parents:
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|
399 |
// to add an item. |
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|
400 |
// TODO: The buffers added are not the buffer in optimal way. |
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|
401 |
// --------------------------------------------------------------------------- |
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|
402 |
// |
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Revision: 201003
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|
403 |
EXPORT_C const TAny* CAlfStreamerBridge::AppendVarDataL( TInt aSize, TInt& aIndex ) |
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Revision: 201003
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|
404 |
{ |
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Revision: 201003
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|
405 |
iQueueSema.Wait(); |
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Revision: 201003
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diff
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|
406 |
// Make sure the length of the allocated data is always divisible by 8 |
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Revision: 201003
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|
407 |
if ( aSize % 8 != 0 ) |
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Revision: 201003
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|
408 |
{ |
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Revision: 201003
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|
409 |
__ALFLOGSTRING1("CAlfStreamerBridge::AppendVarDataL, size not multiple of 8: %d", aSize ); |
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|
410 |
aSize = aSize + ( 8 - aSize % 8 ); |
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|
411 |
} |
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Revision: 201003
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|
412 |
if ( iDataBuf.Length() + aSize >= iDataBuf.MaxLength() ) |
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|
413 |
{ |
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Revision: 201003
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|
414 |
TRAPD(err, iDataBuf.ReAllocL( iDataBuf.MaxLength() + KInitialVariableBufferSize )); |
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Revision: 201003
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|
415 |
if ( err ) |
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Revision: 201003
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|
416 |
{ |
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Revision: 201003
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parents:
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|
417 |
__ALFLOGSTRING("CAlfStreamerBridge::AppendVarDataL, realloc failed"); |
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Revision: 201003
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|
418 |
iQueueSema.Signal(); |
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Revision: 201003
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|
419 |
return NULL; |
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} |
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__ALFLOGSTRING1("CAlfStreamerBridge::AppendVarDataL, new max size: %d", iDataBuf.MaxLength() ); |
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} |
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aIndex = iDataBuf.Length(); |
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iDataBuf.SetLength( iDataBuf.Length() + aSize); |
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iItemsInBuffer++; |
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__ALFLOGSTRING1("CAlfStreamerBridge::AppendVarDataL: buflength %d", iDataBuf.Length()); |
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iVarDataAddedButNotPosted = ETrue; |
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return iDataBuf.MidTPtr( aIndex ).Ptr(); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// GetVarDataL |
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// |
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// Note, that data is not removed at any point. However it should not be accessed again |
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// with this method, because that would confuse iItemsInBuffer counter. |
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// --------------------------------------------------------------------------- |
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// |
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const TAny* CAlfStreamerBridge::GetVarDataL( TInt aIndex ) |
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{ |
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ASSERT( aIndex >= 0 && aIndex < iDataBuf.MaxLength() ); |
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ASSERT( iItemsInBuffer ); |
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iItemsInBuffer--; |
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return iDataBuf.MidTPtr( aIndex ).Ptr(); |
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} |
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|
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EXPORT_C const TAny* CAlfStreamerBridge::AppendEffectsDataL( TInt aSize, TInt& aIndex ) |
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{ |
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return AppendVarDataL( aSize, aIndex ); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// GetVarDataL |
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// |
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// Note, that data is not removed at any point. However it should not be accessed again |
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// with this method, because that would confuse iItemsInBuffer counter. |
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// --------------------------------------------------------------------------- |
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// |
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const TAny* CAlfStreamerBridge::GetEffectsDataL( TInt aIndex ) |
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{ |
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return GetVarDataL(aIndex); |
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} |